export var fullScreen=function(){
    let element = document.documentElement;
    if (element.requestFullscreen) {
        element.requestFullscreen();
    } else if (element.webkitRequestFullScreen) {
        element.webkitRequestFullScreen();
    } else if (element.mozRequestFullScreen) {
        element.mozRequestFullScreen();
    } else if (element.msRequestFullscreen) {
        element.msRequestFullscreen();
    }
}
